From pert + -ness.
pertness (countable and uncountable, plural pertnesses)
- The quality of being pert; cheekiness, impudence.
- 1983, Lawrence Durrell, Sebastian, Faber & Faber 2004 (Avignon Quintet), p. 1021:
- He was completely bald and had a heavy, Chinese-looking countenance which contained, deeply embedded, two eyes of penetration and pertness, always twinkling on the edge of laughter.
- The quality of being pert; firmness (usually of breasts).